28
9.2 Outdoor unit error display
No.
Problems
LED2
(Green)
LED1
(Red)
IU display
1
standby for normal
O
X
2
Operation normally
X
O
3
IPM malfunction or IGBT over-strong current protection
☆
X
P0
4
Over voltage or too low voltage protection
O
O
P1
5
Over voltage or too low voltage protection
O
☆
P1
6
Inverter compressor drive error
X
☆
P4
7
Inverter compressor drive error
☆
O
P4
8
Inverter compressor drive error
☆
☆
P4
